^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*======================================================================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Common support code for the PCMCIA control functionality of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) integrated SOCs like the SA-11x0 and PXA2xx microprocessors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) The contents of this file are subject to the Mozilla Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) License Version 1.1 (the "License"); you may not use this file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) except in compliance with the License. You may obtain a copy of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) the License at http://www.mozilla.org/MPL/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) Software distributed under the License is distributed on an "AS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) implied. See the License for the specific language governing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) rights and limitations under the License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) The initial developer of the original code is John G. Dorsey
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) <john+@cs.cmu.edu>. Portions created by John G. Dorsey are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) Copyright (C) 1999 John G. Dorsey. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) Alternatively, the contents of this file may be used under the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) terms of the GNU Public License version 2 (the "GPL"), in which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) case the provisions of the GPL are applicable instead of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) above. If you wish to allow the use of your version of this file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) only under the terms of the GPL and not to allow others to use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) your version of this file under the MPL, indicate your decision
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) by deleting the provisions above and replace them with the notice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) and other provisions required by the GPL. If you do not delete
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) the provisions above, a recipient may use your version of this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) file under either the MPL or the GPL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) ======================================================================*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/cpufreq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include <mach/hardware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include "soc_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #ifdef CONFIG_PCMCIA_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static int pc_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) module_param(pc_debug, int, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int lvl, const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct va_format vaf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) va_list args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (pc_debug > lvl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) va_start(args, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) vaf.fmt = fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) vaf.va = &args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) printk(KERN_DEBUG "skt%u: %s: %pV", skt->nr, func, &vaf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) va_end(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) EXPORT_SYMBOL(soc_pcmcia_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define to_soc_pcmcia_socket(x) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) container_of(x, struct soc_pcmcia_socket, socket)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int soc_pcmcia_regulator_set(struct soc_pcmcia_socket *skt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct soc_pcmcia_regulator *r, int v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) bool on;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (!r->reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) on = v != 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (r->on == on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (on) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ret = regulator_set_voltage(r->reg, v * 100000, v * 100000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) int vout = regulator_get_voltage(r->reg) / 100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) dev_warn(&skt->socket.dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) "CS requested %s=%u.%uV, applying %u.%uV\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) r == &skt->vcc ? "Vcc" : "Vpp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) v / 10, v % 10, vout / 10, vout % 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ret = regulator_enable(r->reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) ret = regulator_disable(r->reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) r->on = on;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) EXPORT_SYMBOL_GPL(soc_pcmcia_regulator_set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static unsigned short
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) calc_speed(unsigned short *spds, int num, unsigned short dflt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) unsigned short speed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) for (i = 0; i < num; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (speed < spds[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) speed = spds[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (speed == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) speed = dflt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct soc_pcmcia_timing *timing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) timing->io =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) timing->mem =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) timing->attr =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) EXPORT_SYMBOL(soc_common_pcmcia_get_timing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static void __soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) unsigned int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) for (i = 0; i < nr; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (skt->stat[i].irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) free_irq(skt->stat[i].irq, skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (skt->ops->hw_shutdown)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) skt->ops->hw_shutdown(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) clk_disable_unprepare(skt->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static void soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) __soc_pcmcia_hw_shutdown(skt, ARRAY_SIZE(skt->stat));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int soc_pcmcia_request_gpiods(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct device *dev = skt->socket.dev.parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct gpio_desc *desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) for (i = 0; i < ARRAY_SIZE(skt->stat); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (!skt->stat[i].name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) desc = devm_gpiod_get(dev, skt->stat[i].name, GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (IS_ERR(desc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) dev_err(dev, "Failed to get GPIO for %s: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) skt->stat[i].name, PTR_ERR(desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return PTR_ERR(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) skt->stat[i].desc = desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) EXPORT_SYMBOL_GPL(soc_pcmcia_request_gpiods);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) int ret = 0, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) ret = clk_prepare_enable(skt->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (skt->ops->hw_init) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) ret = skt->ops->hw_init(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) clk_disable_unprepare(skt->clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) for (i = 0; i < ARRAY_SIZE(skt->stat); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (gpio_is_valid(skt->stat[i].gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) unsigned long flags = GPIOF_IN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* CD is active low by default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (i == SOC_STAT_CD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) flags |= GPIOF_ACTIVE_LOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) ret = devm_gpio_request_one(skt->socket.dev.parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) skt->stat[i].gpio, flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) skt->stat[i].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) __soc_pcmcia_hw_shutdown(skt, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) skt->stat[i].desc = gpio_to_desc(skt->stat[i].gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (i < SOC_STAT_VS1 && skt->stat[i].desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) int irq = gpiod_to_irq(skt->stat[i].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (irq > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (i == SOC_STAT_RDY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) skt->socket.pci_irq = irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) skt->stat[i].irq = irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (skt->stat[i].irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) ret = request_irq(skt->stat[i].irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) soc_common_pcmcia_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) IRQF_TRIGGER_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) skt->stat[i].name, skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) __soc_pcmcia_hw_shutdown(skt, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) static void soc_pcmcia_hw_enable(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) for (i = 0; i < ARRAY_SIZE(skt->stat); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (skt->stat[i].irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_RISING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_BOTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static void soc_pcmcia_hw_disable(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) for (i = 0; i < ARRAY_SIZE(skt->stat); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (skt->stat[i].irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * The CF 3.0 specification says that cards tie VS1 to ground and leave
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * VS2 open. Many implementations do not wire up the VS signals, so we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * provide hard-coded values as per the CF 3.0 spec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) void soc_common_cf_socket_state(struct soc_pcmcia_socket *skt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct pcmcia_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) state->vs_3v = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) EXPORT_SYMBOL_GPL(soc_common_cf_socket_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) struct pcmcia_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) unsigned int stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) memset(&state, 0, sizeof(struct pcmcia_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) /* Make battery voltage state report 'good' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) state.bvd1 = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) state.bvd2 = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (skt->stat[SOC_STAT_CD].desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) state.detect = !!gpiod_get_value(skt->stat[SOC_STAT_CD].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) if (skt->stat[SOC_STAT_RDY].desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) state.ready = !!gpiod_get_value(skt->stat[SOC_STAT_RDY].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (skt->stat[SOC_STAT_BVD1].desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) state.bvd1 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD1].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (skt->stat[SOC_STAT_BVD2].desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) state.bvd2 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD2].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (skt->stat[SOC_STAT_VS1].desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) state.vs_3v = !!gpiod_get_value(skt->stat[SOC_STAT_VS1].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) if (skt->stat[SOC_STAT_VS2].desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) state.vs_Xv = !!gpiod_get_value(skt->stat[SOC_STAT_VS2].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) skt->ops->socket_state(skt, &state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) stat = state.detect ? SS_DETECT : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) stat |= state.ready ? SS_READY : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) stat |= state.wrprot ? SS_WRPROT : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) stat |= state.vs_3v ? SS_3VCARD : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) stat |= state.vs_Xv ? SS_XVCARD : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) /* The power status of individual sockets is not available
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) * explicitly from the hardware, so we just remember the state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) * and regurgitate it upon request:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) stat |= skt->cs_state.Vcc ? SS_POWERON : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (skt->cs_state.flags & SS_IOCARD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) stat |= state.bvd1 ? 0 : SS_STSCHG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) if (state.bvd1 == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) stat |= SS_BATDEAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) else if (state.bvd2 == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) stat |= SS_BATWARN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * soc_common_pcmcia_config_skt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) * Convert PCMCIA socket state to our socket configure structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static int soc_common_pcmcia_config_skt(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) struct soc_pcmcia_socket *skt, socket_state_t *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) ret = skt->ops->configure_socket(skt, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) pr_err("soc_common_pcmcia: unable to configure socket %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) skt->nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) /* restore the previous state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) WARN_ON(skt->ops->configure_socket(skt, &skt->cs_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) struct gpio_desc *descs[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) DECLARE_BITMAP(values, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) int n = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) if (skt->gpio_reset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) descs[n] = skt->gpio_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) __assign_bit(n++, values, state->flags & SS_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (skt->gpio_bus_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) descs[n] = skt->gpio_bus_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) __assign_bit(n++, values, state->flags & SS_OUTPUT_ENA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) gpiod_set_array_value_cansleep(n, descs, NULL, values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) * This really needs a better solution. The IRQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * may or may not be claimed by the driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (skt->irq_state != 1 && state->io_irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) skt->irq_state = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) irq_set_irq_type(skt->socket.pci_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) IRQ_TYPE_EDGE_FALLING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) } else if (skt->irq_state == 1 && state->io_irq == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) skt->irq_state = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) skt->cs_state = *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) /* soc_common_pcmcia_sock_init()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) * (Re-)Initialise the socket, turning on status interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) * and PCMCIA bus. This must wait for power to stabilise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) * so that the card status signals report correctly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) * Returns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static int soc_common_pcmcia_sock_init(struct pcmcia_socket *sock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) debug(skt, 2, "initializing socket\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (skt->ops->socket_init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) skt->ops->socket_init(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) soc_pcmcia_hw_enable(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) * soc_common_pcmcia_suspend()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) * Remove power on the socket, disable IRQs from the card.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) * Turn off status interrupts, and disable the PCMCIA bus.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) * Returns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) static int soc_common_pcmcia_suspend(struct pcmcia_socket *sock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) debug(skt, 2, "suspending socket\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) soc_pcmcia_hw_disable(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (skt->ops->socket_suspend)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) skt->ops->socket_suspend(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) static DEFINE_SPINLOCK(status_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) static void soc_common_check_status(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) unsigned int events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) debug(skt, 4, "entering PCMCIA monitoring thread\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) status = soc_common_pcmcia_skt_state(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) spin_lock_irqsave(&status_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) events = (status ^ skt->status) & skt->cs_state.csc_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) skt->status = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) spin_unlock_irqrestore(&status_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) debug(skt, 4, "events: %s%s%s%s%s%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) events == 0 ? "<NONE>" : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) events & SS_DETECT ? "DETECT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) events & SS_READY ? "READY " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) events & SS_BATDEAD ? "BATDEAD " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) events & SS_BATWARN ? "BATWARN " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) events & SS_STSCHG ? "STSCHG " : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (events)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) pcmcia_parse_events(&skt->socket, events);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) } while (events);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) /* Let's poll for events in addition to IRQs since IRQ only is unreliable... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) static void soc_common_pcmcia_poll_event(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) struct soc_pcmcia_socket *skt = from_timer(skt, t, poll_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) debug(skt, 4, "polling for events\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) mod_timer(&skt->poll_timer, jiffies + SOC_PCMCIA_POLL_PERIOD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) soc_common_check_status(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) * Service routine for socket driver interrupts (requested by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) * low-level PCMCIA init() operation via soc_common_pcmcia_thread()).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) * The actual interrupt-servicing work is performed by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) * soc_common_pcmcia_thread(), largely because the Card Services event-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) * handling code performs scheduling operations which cannot be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) * executed from within an interrupt context.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) struct soc_pcmcia_socket *skt = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) debug(skt, 3, "servicing IRQ %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) soc_common_check_status(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * Implements the get_status() operation for the in-kernel PCMCIA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * service (formerly SS_GetStatus in Card Services). Essentially just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * fills in bits in `status' according to internal driver state or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) * the value of the voltage detect chipselect register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) * As a debugging note, during card startup, the PCMCIA core issues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) * three set_socket() commands in a row the first with RESET deasserted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) * the second with RESET asserted, and the last with RESET deasserted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) * again. Following the third set_socket(), a get_status() command will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) * be issued. The kernel is looking for the SS_READY flag (see
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) * setup_socket(), reset_socket(), and unreset_socket() in cs.c).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) * Returns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) soc_common_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) skt->status = soc_common_pcmcia_skt_state(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) *status = skt->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) * Implements the set_socket() operation for the in-kernel PCMCIA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) * service (formerly SS_SetSocket in Card Services). We more or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) * less punt all of this work and let the kernel handle the details
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) * of power configuration, reset, &c. We also record the value of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) * `state' in order to regurgitate it to the PCMCIA core later.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) static int soc_common_pcmcia_set_socket(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) struct pcmcia_socket *sock, socket_state_t *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) debug(skt, 2, "mask: %s%s%s%s%s%s flags: %s%s%s%s%s%s Vcc %d Vpp %d irq %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) (state->csc_mask == 0) ? "<NONE> " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) (state->csc_mask & SS_DETECT) ? "DETECT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) (state->csc_mask & SS_READY) ? "READY " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) (state->csc_mask & SS_BATDEAD) ? "BATDEAD " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) (state->csc_mask & SS_BATWARN) ? "BATWARN " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) (state->csc_mask & SS_STSCHG) ? "STSCHG " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) (state->flags == 0) ? "<NONE> " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) (state->flags & SS_PWR_AUTO) ? "PWR_AUTO " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) (state->flags & SS_IOCARD) ? "IOCARD " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) (state->flags & SS_RESET) ? "RESET " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) (state->flags & SS_SPKR_ENA) ? "SPKR_ENA " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) (state->flags & SS_OUTPUT_ENA) ? "OUTPUT_ENA " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) state->Vcc, state->Vpp, state->io_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return soc_common_pcmcia_config_skt(skt, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) * Implements the set_io_map() operation for the in-kernel PCMCIA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) * service (formerly SS_SetIOMap in Card Services). We configure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) * the map speed as requested, but override the address ranges
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) * supplied by Card Services.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) * Returns: 0 on success, -1 on error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) static int soc_common_pcmcia_set_io_map(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) struct pcmcia_socket *sock, struct pccard_io_map *map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) unsigned short speed = map->speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) debug(skt, 2, "map %u speed %u start 0x%08llx stop 0x%08llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) map->map, map->speed, (unsigned long long)map->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) (unsigned long long)map->stop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) (map->flags == 0) ? "<NONE>" : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) (map->flags & MAP_ACTIVE) ? "ACTIVE " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) (map->flags & MAP_16BIT) ? "16BIT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) (map->flags & MAP_0WS) ? "0WS " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) (map->flags & MAP_WRPROT) ? "WRPROT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) (map->flags & MAP_PREFETCH) ? "PREFETCH " : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) if (map->map >= MAX_IO_WIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) printk(KERN_ERR "%s(): map (%d) out of range\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) map->map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) if (map->flags & MAP_ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) if (speed == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) speed = SOC_PCMCIA_IO_ACCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) speed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) skt->spd_io[map->map] = speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) skt->ops->set_timing(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) if (map->stop == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) map->stop = PAGE_SIZE-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) map->stop -= map->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) map->stop += skt->socket.io_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) map->start = skt->socket.io_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) * Implements the set_mem_map() operation for the in-kernel PCMCIA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) * service (formerly SS_SetMemMap in Card Services). We configure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) * the map speed as requested, but override the address ranges
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) * supplied by Card Services.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * Returns: 0 on success, -ERRNO on error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) static int soc_common_pcmcia_set_mem_map(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) struct pcmcia_socket *sock, struct pccard_mem_map *map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) unsigned short speed = map->speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) debug(skt, 2, "map %u speed %u card_start %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) map->map, map->speed, map->card_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) (map->flags == 0) ? "<NONE>" : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) (map->flags & MAP_ACTIVE) ? "ACTIVE " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) (map->flags & MAP_16BIT) ? "16BIT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) (map->flags & MAP_0WS) ? "0WS " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) (map->flags & MAP_WRPROT) ? "WRPROT " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) (map->flags & MAP_ATTRIB) ? "ATTRIB " : "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) if (map->map >= MAX_WIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) if (map->flags & MAP_ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) if (speed == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) speed = 300;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) speed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) if (map->flags & MAP_ATTRIB) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) res = &skt->res_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) skt->spd_attr[map->map] = speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) skt->spd_mem[map->map] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) res = &skt->res_mem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) skt->spd_attr[map->map] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) skt->spd_mem[map->map] = speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) skt->ops->set_timing(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) map->static_start = res->start + map->card_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) struct bittbl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) unsigned int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) static struct bittbl status_bits[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) { SS_WRPROT, "SS_WRPROT" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) { SS_BATDEAD, "SS_BATDEAD" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) { SS_BATWARN, "SS_BATWARN" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) { SS_READY, "SS_READY" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) { SS_DETECT, "SS_DETECT" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) { SS_POWERON, "SS_POWERON" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) { SS_STSCHG, "SS_STSCHG" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) { SS_3VCARD, "SS_3VCARD" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) { SS_XVCARD, "SS_XVCARD" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) static struct bittbl conf_bits[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) { SS_PWR_AUTO, "SS_PWR_AUTO" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) { SS_IOCARD, "SS_IOCARD" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) { SS_RESET, "SS_RESET" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) { SS_DMA_MODE, "SS_DMA_MODE" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) { SS_SPKR_ENA, "SS_SPKR_ENA" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) static void dump_bits(char **p, const char *prefix,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) unsigned int val, struct bittbl *bits, int sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) char *b = *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) b += sprintf(b, "%-9s:", prefix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) for (i = 0; i < sz; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) if (val & bits[i].mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) b += sprintf(b, " %s", bits[i].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) *b++ = '\n';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) *p = b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) * Implements the /sys/class/pcmcia_socket/??/status file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) * Returns: the number of characters added to the buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) static ssize_t show_status(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) struct soc_pcmcia_socket *skt =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) container_of(dev, struct soc_pcmcia_socket, socket.dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) char *p = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) p += sprintf(p, "slot : %d\n", skt->nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) dump_bits(&p, "status", skt->status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) status_bits, ARRAY_SIZE(status_bits));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) dump_bits(&p, "csc_mask", skt->cs_state.csc_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) status_bits, ARRAY_SIZE(status_bits));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) dump_bits(&p, "cs_flags", skt->cs_state.flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) conf_bits, ARRAY_SIZE(conf_bits));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) p += sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) p += sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) p += sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) skt->socket.pci_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) if (skt->ops->show_timing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) p += skt->ops->show_timing(skt, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) return p-buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) static struct pccard_operations soc_common_pcmcia_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) .init = soc_common_pcmcia_sock_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) .suspend = soc_common_pcmcia_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) .get_status = soc_common_pcmcia_get_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) .set_socket = soc_common_pcmcia_set_socket,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) .set_io_map = soc_common_pcmcia_set_io_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) .set_mem_map = soc_common_pcmcia_set_mem_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) #ifdef CONFIG_CPU_FREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) static int soc_common_pcmcia_cpufreq_nb(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) unsigned long val, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) struct soc_pcmcia_socket *skt = container_of(nb, struct soc_pcmcia_socket, cpufreq_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) struct cpufreq_freqs *freqs = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) return skt->ops->frequency_change(skt, val, freqs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) void soc_pcmcia_init_one(struct soc_pcmcia_socket *skt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) const struct pcmcia_low_level *ops, struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) skt->ops = ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) skt->socket.owner = ops->owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) skt->socket.dev.parent = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) skt->socket.pci_irq = NO_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) for (i = 0; i < ARRAY_SIZE(skt->stat); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) skt->stat[i].gpio = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) EXPORT_SYMBOL(soc_pcmcia_init_one);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) del_timer_sync(&skt->poll_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) pcmcia_unregister_socket(&skt->socket);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) #ifdef CONFIG_CPU_FREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) if (skt->ops->frequency_change)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) cpufreq_unregister_notifier(&skt->cpufreq_nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) CPUFREQ_TRANSITION_NOTIFIER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) soc_pcmcia_hw_shutdown(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) /* should not be required; violates some lowlevel drivers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) soc_common_pcmcia_config_skt(skt, &dead_socket);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) iounmap(skt->virt_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) skt->virt_io = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) release_resource(&skt->res_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) release_resource(&skt->res_mem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) release_resource(&skt->res_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) release_resource(&skt->res_skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) EXPORT_SYMBOL(soc_pcmcia_remove_one);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) skt->cs_state = dead_socket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) timer_setup(&skt->poll_timer, soc_common_pcmcia_poll_event, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) ret = request_resource(&iomem_resource, &skt->res_skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) goto out_err_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) ret = request_resource(&skt->res_skt, &skt->res_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) goto out_err_2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) ret = request_resource(&skt->res_skt, &skt->res_mem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) goto out_err_3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) ret = request_resource(&skt->res_skt, &skt->res_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) goto out_err_4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) skt->virt_io = ioremap(skt->res_io.start, 0x10000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) if (skt->virt_io == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) goto out_err_5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) * We initialize default socket timing here, because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) * we are not guaranteed to see a SetIOMap operation at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) * runtime.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) skt->ops->set_timing(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) ret = soc_pcmcia_hw_init(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) goto out_err_6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) skt->socket.ops = &soc_common_pcmcia_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) skt->socket.resource_ops = &pccard_static_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) skt->socket.irq_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) skt->socket.map_size = PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) skt->socket.io_offset = (unsigned long)skt->virt_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) skt->status = soc_common_pcmcia_skt_state(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) #ifdef CONFIG_CPU_FREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) if (skt->ops->frequency_change) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) skt->cpufreq_nb.notifier_call = soc_common_pcmcia_cpufreq_nb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) ret = cpufreq_register_notifier(&skt->cpufreq_nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) CPUFREQ_TRANSITION_NOTIFIER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) dev_err(skt->socket.dev.parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) "unable to register CPU frequency change notifier for PCMCIA (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) ret = pcmcia_register_socket(&skt->socket);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) goto out_err_7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) ret = device_create_file(&skt->socket.dev, &dev_attr_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) goto out_err_8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) out_err_8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) del_timer_sync(&skt->poll_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) pcmcia_unregister_socket(&skt->socket);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) out_err_7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) soc_pcmcia_hw_shutdown(skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) out_err_6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) iounmap(skt->virt_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) out_err_5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) release_resource(&skt->res_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) out_err_4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) release_resource(&skt->res_mem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) out_err_3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) release_resource(&skt->res_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) out_err_2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) release_resource(&skt->res_skt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) out_err_1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) EXPORT_SYMBOL(soc_pcmcia_add_one);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) MODULE_DESCRIPTION("Linux PCMCIA Card Services: Common SoC support");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) MODULE_LICENSE("Dual MPL/GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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